Photocontrolled reversible supramolecular assemblies of a diblock azo-copolymer based on β-cyclodextrin–Azo host–guest inclusion complexation
Literature Information
Publication Date
2013-02-04
DOI
10.1039/C3PY21148G
Impact Factor
5.582
Authors
Shaohua Wang, Qiongxia Shen, Mian Hasnain Nawaz, Weian Zhang
View Original
Abstract
The double hydrophobic block copolymer, poly[6-(4-(phenyldiazenyl)phenoxy)hexyl acrylate]-b-polystyrene (PAzo-b-PS), was synthesized by reversible addition–fragmentation chain transfer (RAFT) polymerization. This hydrophobic block copolymer can self-assemble into spherical micelles through β-cyclodextrin–azobenzene (β-CD–Azo) host–guest inclusion. Furthermore, the spherical micelles can be dissociated and reassembled by alternating irradiation of UV/visible light. These supramolecular self-assembly and disassembly procedures were studied by dynamic light scattering (DLS), atomic force microscopy (AFM), transmission electron microscopy (TEM) and UV-Vis spectra.
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